Occlusal Equilibration

Question 1

Rules of Occlusion
n Rule #1
n The buccal occlusal line angle of the mandibular teeth rests in the ____ line of the maxillary teeth

n Rule #2
n The lingual occlusal line angle of the maxillary teeth rests in the ____ line of the mandibular teeth

n Rule #3
n Supporting cusp tips rest in marginal ridge areas EXCEPT:
n____ cusps of maxillary molars** n____ cusps of mandibular molars**

Answer 1

central fossa
central fossa
mesiolingual
distobuccal

Question 2

Stage I: Achieve balanced occlusion
n goal: CR=ICP
n Grind on inclines of \_\_\_\_ ONLY
n If both markings on supporting cusps, grind mark closest to \_\_\_\_
n If both on cusp tips, grind \_\_\_\_

Answer 2

supporting cusps
cusp tip
both

Question 3

Stage I: Achieve balanced occlusion (continued)
n Place FOAs in position of ____
n For anterior teeth, grind on ____ of mandibular ____ teeth

Answer 3

readiness
facial
anterior

Question 4

Selective Grinding Procedure

nStageII: Define functional outer aspects
n Place articulating paper and guide mandible into lateral excursions
n FOA􏰄s narrowed until they are ____mm wide
n Once established, DO NOT reduce in subsequent steps

Answer 4

1

Question 5

Selective Grinding
Procedure
n Stage III: Establish freedom of mandibular movement
n 1. Eliminate ____ interferences n 2. Eliminate ____ working
interferences
n 3. Eliminate ____ interferences
n 4. Eliminate ____ interferences n 5. Establish ____

Answer 5

non-working
cross-tooth
working
protrusive
canine guided occlusion

Question 6

Selective Grinding Procedure
n 1. Eliminate non- working interferences
n Occur on inner inclines of supporting cusps
n Grind on on ____ of ____ cusps
B
L
Be careful not to eliminate ____

Answer 6

inner inclines

supporting cusps

Question 7

Selective Grinding Procedure
  n 2. Eliminate cross-tooth working interferences
n Occur on:
n \_\_\_\_s of maxillary \_\_\_\_
cusps
n Inner aspects of \_\_\_\_ cusps
n Reduce \_\_\_\_guiding inclines

Answer 7

FOA
lingual
mandibular guiding
mandibular lingual

Question 8

Selective Grinding Procedure

   n 3. Eliminate working interferences
n Occur on:
n \_\_\_\_ of mandibular
buccal cusps
n Inner inclines of \_\_\_\_ cusps
n Reduce \_\_\_\_ guiding inclines

Answer 8

FOAs
maxillary buccal
maxillary buccal

Question 9

Selective Grinding
Procedure

n4. Eliminate protrusive interferences
nWant disarticulationof \_\_\_\_ teeth
n During protrusion, may have contact:
n \_\_\_\_
n \_\_\_\_
n Mesial inclines of \_\_\_\_
n Eliminate all other protrusive contacts

Answer 9

posterior
mandibualr incisors
canines
mandibular first premolars

Question 10

Selective Grinding Procedure
n 5. Establish canine guided occlusion
n ___ of canines contact opposing guiding incline of ___ during lateral excursion

Answer 10

mandibular FOA

maxillary canines